<nav class="navbar navbar-inverse navbar-fixed-top" role="navigation">
  <div class="container">
    <div class="navbar-header">
      <a class="navbar-brand" href="Home.php">Projeto receita</a>
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    <div id="navbar" class="collapse navbar-collapse">
      <ul class="nav navbar-nav">
        <li class="active"><a href="Home.php">Home</a></li>
        <li class="dropdown">
          <a href="#" class="dropdown-toggle" data-toggle="dropdown">Receitas <span class="caret"></span></a>
          <ul class="dropdown-menu" role="menu">
            <li><a href="#">Cadastrar Receita</a></li>
            <li><a href="#">Alterar Receita</a></li>
            <li><a href="BuscarReceita.php">Procurar Receita</a></li>
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